Finding the Fourth Proportional to 79,686.84, 119,548.98 and 44,650.68
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Solution
The fourth proportional to 79,686.84, 119,548.98 and 44,650.68 is: 66,986.51
Step by Step Solution
- Step 1: Write the proportion equation
79,686.84 : 119,548.98 = 44,650.68 : x - Step 2: Convert to fraction form
79,686.84/119,548.98 = 44,650.68/x - Step 3: Cross multiply
79,686.84x = 119,548.98 × 44,650.68 - Step 4: Simplify right side
79,686.84x = 5,337,943,250.31 - Step 5: Solve for x
x = 5,337,943,250.31/79,686.84 - Step 6: Final answer
x = 66,986.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.